I find bits of this story utterly baffling. Someone opens your room door and you say « I am fully naked »? I’d have had that towel on and smacked that phone into the middle of next week. How did he start filming you unless he came prepared to do so. The whole thing sounds staged and frankly what do you care what he uploads as he will incriminate himself the minute that it happens.
Personally, I’d have called the police. Whether you are American or not, 911 is known universally. Why didn’t you? Frankly I’d name and shame the hotel in question for putting your personal safety at danger. Mistakes happen but 99 .9 of people would go straight back out babbling apologies and return straight to the front desk. I’d also shame them for not providing more towels with which to protect your modesty.